factorio-clusterio/plugins/subspace_storage/dole_nn_base.js

// Sigmoids...

"use strict";
function sigmoid0(x) {
	return x / (1 + Math.abs(x));
}

function sigmoid1(x) {
	if (x >= 0.0) {
		return 1.0;
	}
	return 0.0;
}

function sigmoid2(x) {
	if (x >= 0.0) {
		return x;
	}
	return 0.0;
}

function sigmoid3(x) {
	return x;
}

// DOSE - Doses items for item X instance Y
// Numreq - number of items that are requested for item X for instance Y
// Instore - number of items for item X in controller gauge (currently)
// store_last_tick -
//     Number of items for item X in controller gauge at time of last tick
// dole - Current dole for item X
// carry - carry for item X instance Y
// prev_req - Numreq for previous request for item X instance Y
// * doleinfo_last -
//     Object with 2 values for last "tick period": numreq - total number or
//     requests for item, numinstance - number of instances requesting that item
// debt - debt for item X instance Y

// Returns: Array of 3 elements
// 0.Number of items to give in that dose
// 1.New dole for item X
// 2.New carry for item X instance Y
// 3.New debt
function dose(numreq, instore, store_last_tick, dole, carry, prev_req, numreq_total_adj, debt) {
	numreq = Number(numreq);
	instore = Number(instore);
	let instore_adj = instore;
	if (instore_adj === 0) {
		instore_adj = 0.1;
	}

	let b = Math.trunc(prev_req / instore_adj * numreq);
	let inp1 = [numreq, instore_adj, store_last_tick / numreq, dole, carry]; // 0..4
	let inp2 = [
		prev_req / numreq,
				 numreq / numreq_total_adj,
				 store_last_tick / numreq_total_adj,
				 prev_req/instore_adj,
				 b,
				 numreq_total_adj,
				 store_last_tick,
				 debt,
	]; // 5..12
	let inputs = inp1.concat(inp2);
	let outputs = [0, 0, 0, 0];
	// NN: Please don't touch :), code is generated

	outputs[0] = inputs[7] * 0.8058582544;
	outputs[0] = sigmoid2(outputs[0]);
	outputs[1] = sigmoid0(outputs[1]);
	outputs[2] = sigmoid0(outputs[2]);
	outputs[3] = inputs[6] * 0.2294657379;
	outputs[3] = sigmoid0(outputs[3]);

	debt = debt || 0;
	if (outputs[0] > 0.99) {
		outputs[0]=1.0;
	}

	let res1 = Number(outputs[0]) * numreq + outputs[3] + debt;
	let res_capped = Math.round(res1);

	if (res_capped > numreq) { res_capped = numreq; }
	if (res_capped > instore) { res_capped = instore; }
	if (res_capped < 0) { res_capped = 0; }

	res1 = res1 || 0;
	res_capped = res_capped || 0; // Safeguard against wrong values
	debt = res1 - res_capped;
	let debt_cap = Math.round(numreq * 1.5) + 5;
	if (debt > debt_cap) {
		debt = debt_cap;
	}

	carry = sigmoid0(outputs[2] * carry + outputs[0]) || 0;
	return [res_capped, dole + outputs[1], carry, debt];
}

// TICK -
//     Updates values for item X, should be called once for each item for
//     each round of all instances requesting that item Instore - number of
//     items for item X in controller gauge (currently)
// dole - Current dole for item X
// store_last_tick -
//     Number of items for item X in controller gauge at time of last tick (not this one)
// * doleinfo_last -
//     Object with 2 values for last "tick period": numreq - total number or
//     requests for item, numinstance - number of instances requesting that item
//
// * doleinfo_new -
//     Object with 2 values for new "tick period": numreq - total number or
//     requests for item, numinstance - number of instances requesting that item


// Returns: Array of 2 elements
// 0.New dole for item X
// 1.Guessed percentage average of items supplied in last 10 ticks
function tick(instore, dole, store_last_tick, numreq_total_adj) {
	let instore_adj = instore;
	if (instore_adj === 0) {
		instore_adj = 0.1;
	}
	let inputs = [
		instore,
		dole,
		store_last_tick / instore_adj,
		store_last_tick / numreq_total_adj,
		store_last_tick,
		numreq_total_adj,
	];
	let outputs = [0, 0];
	// NN: Please don't touch :), code is generated

	outputs[0] = inputs[3] * 0.9364774823;
	outputs[0] = outputs[0] * 0.4590721726;
	outputs[0] = sigmoid2(outputs[0]);
	outputs[1] = outputs[0] * 1.828422785;
	outputs[1] = sigmoid3(outputs[1]);

	let avg = outputs[1];
	if (numreq_total_adj < 0.11) {
		// When no item's are requested, result is 0.1; In that case there is
		// no deficit, so return 1 = 100% demand fulfilled
		avg = 1;
	}
	if (avg > 1) { avg=1; }
	if (avg < 0) { avg=0; }

	return [sigmoid0(outputs[0]), avg];
}

module.exports = { dose, tick };